Filters, Strainers, Perforated Sheet Metal. Robin J. Green Ltd  Unit 5,  Bartlett Mews, Pen Mill Trading Estate,  Yeovil,  Somerset.  BA21 5HR Tel: 01935 425400   Fax: 01935 433311   Mobile: 0771 4654354 Part Number             Hole size           Pitch              % Open area               Sheet size                  Thickness PERFORATED COPPER SHEET   30C                           1.75mm             2.62mm                     41                    1.22M x 0.40M              0.70mm     53C                           3.00mm             5.00mm                     33                        2M x 1M                    0.70mm   70C                           3.18mm             4.98mm                     37                    1.22M x 0.61M              0.90mm   85C                           5.00mm             8.00mm                     35                        2M x !M                     0.70mm STAINLESS STEEL 304 STAINLESS STEEL 316 MILD STEEL ALUMINIUM BRASS